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Fastenere Serrated Flange Nuts – 5/16"-18 (50-Pack), Durable Stainless Steel 18-8 Hex Lock Hardware Nuts, Corrosion-Resistant, Coarse Plain Finish for Home, Automotive & Industrial Use

✅ In stock
F
Grade
💤 Not a Deal
0/100
Current Price
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply to the purchase of this product.
$14.54
Listed $34.99
Save $20.45 58% OFF
⚠️ Price may have changed. Last updated 24+ hours ago — confirm on Amazon.
Check Deal at Amazon
Price verified Sep 23, 2026 5:20 AM · Prices & availability subject to change

Is This a Good Price on Amazon?

💤 Not a Deal
  • 💤Verdict: Not a Deal. Price is at or above historical norms. Best to wait for a sale.
  • ➡️Pricing has held fairly steady, with no strong push in either direction.

How We Scored This Deal

Price Competitiveness 0/28
Recent Value 0/22
Market Standing 0/20
Deal Strength 0/20
Momentum 0/10

📝 Product Overview

🏪 Sold by Fastenere
📦 Fulfillment Fulfilled by Amazon
🚚 Shipping Free Shipping

Product Details

PRECISION ENGINEERING: Our serrated flange nuts and hex lock hardware nuts are precision-engineered for 5/16" thread size with 18 threads per inch, ensuring a precise and secure fit for your hardware assemblies. With our finely engineered nuts, your components remain firmly locked in place, delivering peace of mind even in demanding environments.
DURABLE MATERIAL: Made from high-quality 18-8 stainless steel composed of 18% chromium and 8% nickel, our serrated hex flange Nuts offer excellent corrosion and oxidation resistance. These durable hardware nuts ensure long-lasting strength across various projects, providing reliable performance in automotive, machinery, and DIY applications.
VERSATILE APPLICATION: From machinery and automotive repairs to home DIY projects, our serrated lock flange nuts offer unmatched versatility. Compatible with a wide range of stainless steel hardware, these dependable hardware nuts integrate seamlessly into numerous applications, ensuring flexibility and adaptability for all your fastening needs.
EASY INSTALLATION: Designed for effortless installation, our user-friendly lock flange nuts feature a reliable hex lock and sleek plain finish. These practical hardware nuts can be quickly tightened using a standard 1/2" hex socket drive, streamlining assembly and saving you time, effort, and frustration on every project.
VALUE PACK: Get exceptional value with our 50-pack of high-quality serrated flange nuts. Perfect for DIY enthusiasts and professionals, this bulk set of durable hardware nuts ensures you always have enough fasteners for any task, offering outstanding performance and convenience for all your hardware projects.

⚙️ Specifications

Material
Stainless Steel
Fastener Type
Flange
Thread Size
5/16-18
Exterior Finish
Bright Finish
Color
Silver
Thread Type
Unified National Coarse (Unc)
Inside Thread Size
#5/16
Thread Style
Left Hand
Thread Coverage
Fully Threaded
Thread Class
Class 2A
Maximum Shear Strength
285 MPa

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